Noah Webster's Dictionary (v. t. & i.) To crush with the teeth; to chew with violence and noise; to crunch.

Multi-Version Concordance Craunch (1 Occurrence) Ezekiel 23:34 Thou shalt even drink it and drain it out, and thou shalt gnaw the sherds thereof, and shalt tear thy breasts; for I have spoken it, saith the Lord Jehovah. (See JPS)